MifepristoneMethotrexateAbortifacient Agents, SteroidalHormone AntagonistsAbortifacient Agents, NonsteroidalMisoprostolContraceptives, Postcoital, SyntheticAbortifacient AgentsAbortion, InducedContraceptives, Oral, SyntheticMenstruation-Inducing AgentsPolyglutamic AcidLuteolytic AgentsAntirheumatic AgentsFolic Acid AntagonistsLevonorgestrelAdministration, IntravaginalNorpregnadienesTetrahydrofolate DehydrogenaseReceptors, GlucocorticoidEndometriumProgesteroneContraceptives, PostcoitalUterine HemorrhageLuteal PhaseProgestinsArthritis, RheumatoidContraception, PostcoitalAminopterinContraceptive Agents, FemaleAntimetabolites, AntineoplasticPregnancyDrug Therapy, CombinationLeukemia L1210Reduced Folate Carrier ProteinGonanesCytostatic AgentsMenstruationTrimetrexateDrug Administration ScheduleReceptors, ProgesteroneTreatment OutcomeLabor Stage, FirstGlucocorticoidsFolic AcidPregnancy Trimester, Firstgamma-Glutamyl HydrolaseLeucovorinAdministration, SublingualPregnanediolVacuum CurettageOvulation InhibitionMenstrual CycleDanazolTetrahydrofolatesDose-Response Relationship, DrugDouble-Blind MethodDexamethasoneCyclophosphamideMegestrolAlcohol-Induced Disorders, Nervous SystemDrug ResistanceEmbryo ImplantationMetrorrhagiaAdministration, OralFallopian TubesAntineoplastic Combined Chemotherapy ProtocolsImmunosuppressive AgentsContraceptives, Postcoital, HormonalAlgestoneSulfasalazineNorgestrelVincristineDeoxyuridinePrecursor Cell Lymphoblastic Leukemia-LymphomaOxytocics6-MercaptopurineAbortion, LegalDermatologic AgentsPregnancy, EctopicMenorrhagiaCorticosteronePessariesClostridium sordelliiInjections, IntramuscularFluorouracilFormyltetrahydrofolatesHydrocortisoneTime FactorsEthinyl EstradiolLeiomyomaNervous System NeoplasmsReceptors, Mineralocorticoid